80884620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6329}}^1$

素因数の和:6415

約数の個数: 72

約数和(自身を含む): 248844960

約数和(自身を除く): 167960340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6329, 6390, 12658, 12780, 18987, 25316, 31645, 37974, 56961, 63290, 75948, 94935, 113922, 126580, 189870, 227844, 284805, 379740, 449359, 569610, 898718, 1139220, 1348077, 1797436, 2246795, 2696154, 4044231, 4493590, 5392308, 6740385, 8088462, 8987180, 13480770, 16176924, 20221155, 26961540, 40442310, 80884620]

約数ペア:

[(1, 80884620), (2, 40442310), (3, 26961540), (4, 20221155), (5, 16176924), (6, 13480770), (9, 8987180), (10, 8088462), (12, 6740385), (15, 5392308), (18, 4493590), (20, 4044231), (30, 2696154), (36, 2246795), (45, 1797436), (60, 1348077), (71, 1139220), (90, 898718), (142, 569610), (180, 449359), (213, 379740), (284, 284805), (355, 227844), (426, 189870), (639, 126580), (710, 113922), (852, 94935), (1065, 75948), (1278, 63290), (1420, 56961), (2130, 37974), (2556, 31645), (3195, 25316), (4260, 18987), (6329, 12780), (6390, 12658)]